257380413

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{42451}}^1$

素因数の和:42544

約数の個数: 16

約数和(自身を含む): 358634496

約数和(自身を除く): 101254083

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 42451, 127353, 1825393, 1995197, 5476179, 5985591, 85793471, 257380413]

約数ペア:

[(1, 257380413), (3, 85793471), (43, 5985591), (47, 5476179), (129, 1995197), (141, 1825393), (2021, 127353), (6063, 42451)]